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2 years ago

Question 1 -What number in the equation below would be the coefficient?

Mathematics

1 answer:

tangare [24]2 years ago

7 0

Answer:

Step-by-step explanation:

coefficient is the number next to the variable.

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The SAT scores have an average of 1200 with a standard deviation of 60. A sample of 36 scores is selected. a) What is the probab

LiRa [457]

Answer:

a) 0.0082

b) 0.9987

c) 0.9192

d) 0.5000

e) 1

Step-by-step explanation:

The question is concerned with the mean of a sample.

From the central limit theorem we have the formula:

$z=\frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }$

a) $z=\frac{1224-1200}{\frac{60}{\sqrt{36} } }=2.40$

The area to the left of z=2.40 is 0.9918

The area to the right of z=2.40 is 1-0.9918=0.0082

$\therefore P(\bar X\:>\:1224)=0.0082$

b) $z=\frac{1230-1200}{\frac{60}{\sqrt{36} } }=3.00$

The area to the left of z=3.00 is 0.9987

$\therefore P(\bar X\:$

c) The z-value of 1200 is 0

The area to the left of 0 is 0.5

$z=\frac{1214-1200}{\frac{60}{\sqrt{36} } }=1.40$

The area to the left of z=1.40 is 0.9192

The probability that the sample mean is between 1200 and 1214 is

$P(1200\:$

d) From c) the probability that the sample mean will be greater than 1200 is 1-0.5000=0.5000

e) $z=\frac{73.46-1200}{\frac{60}{\sqrt{36} } }=-112.65$

The area to the left of z=-112.65 is 0.

The area to the right of z=-112.65 is 1-0=1

5 0

3 years ago

How do you draw a line for this

m_a_m_a [10]

I'd do a little more than 77minutes for the 6and 7for if you could have it on 77and but you could have it in your head

8 0

2 years ago

Read 2 more answers

Help pleaseeee ASAP just tell me the answer

iragen [17]

HEY MATE YOUR ANSWER IS HERE

★ GIVEN EQUATION ★

X + Y = 4

★ SOLUTION ★

LET VALUE OF X = 0 , 1 , 2 , 3 AND 4

WHEN X = 0

0 + Y = 4

Y = 4

WHEN X = 1

1 + Y = 4

Y = 3

WHEN X = 2

2 + Y = 4

Y = 2

WHEN X = 3

3 + Y = 4

Y = 1

WHEN X = 4

4 + Y = 4

Y = 0

NOW OUR 5 COORDINATES OF LINE X + Y = 4 ARE

A ( 0 , 4)

B ( 1 , 3 )

C ( 2 , 2)

D ( 3 , 1 )

E ( 4 , 0 )

THANKS FOR YOUR QUESTION HOPE THIS HELPS

can i have a brill

thank u

good luck

6 0

2 years ago

NCERT SOLUTIONS FOR CLASS 7 MATHS ALL CHAPTERS

Galina-37 [17]

Answer:

https://www.learncbse.in/ncert-solutions-for-class-7-maths/

5 0

3 years ago

HURRY UP I NEED THE ANSWER

vladimir1956 [14]

Answer:

g(2) = 2

Step-by-step explanation:

Explanation:-

Given that $g(x) = \frac{-1}{2} x + 3$

Put x =2

$g(2) = \frac{-1}{2} (2) + 3$

= -1+3

= 2

g(2) = 2

5 0

2 years ago